 // 添加过敏药物
   function site_add_new(obj){
	   var iLength=$("div.relative").length;
	   if(iLength==4){//限制5个输入框
		   exit();
	   }
  		var str='<div class=" relative" style="margin-top:15px"><input type="text" class="form-control  input150 validate[required,custom[illegallyStr],maxSize[64]]" data-errormessage-custom-error="您输入的内容含有非法字符" data-errormessage-range-overflow="请输入少于64个字符" name="otherCheckArray" placeholder=""><i class="delete_icon" onclick="removeItem(this)"></i></div>';
  		$(obj).parent().append(str);
  	}
  	function removeItem(obj){
  		$(obj).parent().remove();//删除
  	}